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I applied via Company Website and was interviewed in Jun 2024. There were 3 interview rounds.
Coding Test consists of 3 Problem Question (2 Logical questions and 1 SQL Query ) and Around 20 MCQS
Platform - CoderByte
30 Aptitude Question
3 Mail Writing Question
Solved a sorting problem by implementing quicksort algorithm.
Implemented quicksort algorithm to efficiently sort the array.
Used recursion to divide the array into smaller subarrays and sort them individually.
Optimized the algorithm by choosing a pivot element strategically to minimize comparisons.
The 3rd question based on SQL query likely refers to a specific query or scenario related to SQL.
Understand the context of the query being asked about
Analyze the structure and purpose of the SQL query
Explain the expected output or result of the query
Code to reverse digits of a number
Use modulo operator to extract the last digit of the number
Multiply the result by 10 and add the next digit until all digits are reversed
Handle negative numbers separately by converting to positive before reversing
I applied via Company Website and was interviewed in Sep 2024. There were 3 interview rounds.
There were 3 coding questions in the first round
30 MCQ questions based on Math, reasoning and English and also email writing
Coding round with 4 coding problem
I applied via Company Website and was interviewed in Apr 2024. There were 2 interview rounds.
There are 4 questions. Time duration is 1 hour 40 minutes.
Basic aptitude questions.
Odoo interview questions for designations
I applied via Campus Placement and was interviewed in Jul 2023. There were 4 interview rounds.
It includes 4 questions in which 3 are DSA based and 1 is based on SQL query. The difficulty level is intermediary.
It includes 28 questions with negative marking to solve in 30 minutes.
Changes in code and logic checking
Code changes involve modifying the existing codebase to add new features or fix bugs
Logic checking ensures that the code follows the intended logic and produces the expected results
Code reviews and testing are important for identifying and rectifying code and logic issues
Automated testing tools can help in detecting logic errors and ensuring code correctness
DS and Algo based 4 questions
Top trending discussions
I was interviewed before Sep 2020.
Round duration - 60 minutes
Round difficulty - Easy
Round duration - 50 minutes
Round difficulty - Easy
Round duration - 60 minutes
Round difficulty - Easy
At the beginning of this round, the interviewer asked me about the data structures I knew. Linked lists, trees, graphs, arrays etc. was my answer. He asked me how well I knew Dynamic Programming. I said I wasn’t strong in that and he said that he would ask me a question on dynamic programming for sure.
Round duration - 40 minutes
Round difficulty - Easy
The interviewer asked me if I was comfortable with the interview process so far and how the previous interviews were. I said it was good and he gave me the first problem to solve.
Round duration - 60 minutes
Round difficulty - Easy
The interviewer asked me some Computer Science fundamentals in this round as well as some behavioural questions.
Implement a Trie data structure with insert and search functions.
Create a TrieNode class with children and isEndOfWord attributes.
Implement insert function to add words by iterating through characters.
Implement search function to check if a word exists by traversing the Trie.
Example: Insert 'apple', 'banana', 'orange' and search for 'apple' and 'grape'.
Do lot of hard work and practice of Data Structures and Algorithms based questions. I personally recommend you Coding Ninjas and Geeks For Geeks for interview preparation.
Application resume tips for other job seekersMake your resume short and try to make it of one page only and do mention all your skills which you are confident of in your resume.
Final outcome of the interviewSelectedI was interviewed in Aug 2017.
Merge Sort is a divide and conquer algorithm that sorts an array by dividing it into two halves, sorting them separately, and then merging the sorted halves.
Divide the array into two halves
Recursively sort the two halves
Merge the sorted halves
Find pairs of integers in a BST whose sum is equal to a given number.
Traverse the BST and store the values in a hash set.
For each node, check if (X - node.value) exists in the hash set.
If yes, add the pair (node.value, X - node.value) to the result.
Continue traversal until all nodes are processed.
Merge overlapping time intervals into mutually exclusive intervals.
Sort the intervals based on their start time.
Iterate through the intervals and merge overlapping intervals.
Output the mutually exclusive intervals.
Example: [(1,3), (2,6), (8,10), (15,18)] -> [(1,6), (8,10), (15,18)]
Different types of hashing and alternative for Linear Chaining
Different types of hashing include division, multiplication, and universal hashing
Alternative for Linear Chaining is Open Addressing
Open Addressing includes Linear Probing, Quadratic Probing, and Double Hashing
An AVL tree is a self-balancing binary search tree where the heights of the left and right subtrees differ by at most one.
AVL tree is a binary search tree with additional balance factor for each node.
The balance factor is the difference between the heights of the left and right subtrees.
Insertion and deletion operations in AVL tree maintain the balance factor to ensure the tree remains balanced.
Rotations are performed ...
Find the minimum number of squares whose sum equals to a given number n.
Use dynamic programming to solve the problem efficiently.
Start with finding the square root of n and check if it is a perfect square.
If not, then try to find the minimum number of squares required for the remaining number.
Repeat the process until the remaining number becomes 0.
Return the minimum number of squares required for the given number n.
Insertion sort for a singly linked list.
Traverse the list and compare each node with the previous nodes
If the current node is smaller, swap it with the previous node
Repeat until the end of the list is reached
Time complexity is O(n^2)
To determine if a point is inside a polygon, use the ray casting algorithm.
Create a line from the point to a point outside the polygon
Count the number of times the line intersects with the polygon edges
If the count is odd, the point is inside the polygon; otherwise, it is outside
The four storage classes in C are auto, register, static, and extern.
Auto: default storage class for all local variables
Register: used to define local variables that should be stored in a register instead of RAM
Static: used to define local variables that retain their value between function calls
Extern: used to declare a global variable that is defined in another file
i is stored in global data segment, j is stored in stack, k is stored in heap.
i is a global variable and is stored in the global data segment
j is a local variable and is stored in the stack
k is a pointer variable and is stored in the stack, while the memory it points to is allocated on the heap using malloc()
Use a hash table to store the words and check for existence in constant time.
Create a hash table with the words as keys and a boolean value as the value.
For each new word, check if it exists in the hash table. If it does, it has appeared before. If not, add it to the hash table.
Alternatively, use a set data structure to store only the unique words and check for existence in the set.
I was interviewed before May 2021.
Round duration - 90 minutes
Round difficulty - Medium
Around 65-70 people sat for the test. 15 people were shortlisted. It consisted of the following to be done in 90 minutes.
- 28 MCQs based on core CS
- 2 Coding questions – everyone had different and random questions. Most questions were custom logic based (easy level) including some standard questions – LCS, LIS, topological sort.
Round duration - 60 minutes
Round difficulty - Easy
Interviewer was very friendly. It started with the standard – tell me about yourself / introduce yourself type of question. Then he proceeded and asked two coding questions
Your friend has homework to complete. Help him by removing duplicates from a sorted linked list.
You are given the 'Head' of a sorted linked list. Modify the l...
Remove duplicates from a sorted linked list without adjacent duplicates.
Traverse the linked list while comparing current and next nodes.
If they are equal, skip the next node by updating the current node's next pointer.
Repeat until the end of the list is reached.
You are enrolled as a student and must complete N
courses, numbered from 1 to N, to earn your degree.
Some courses have prerequisites, which means that to take course i
,...
Check if it is feasible to complete all courses with prerequisites.
Create a graph representing the prerequisites with courses as nodes and edges as prerequisites.
Perform a topological sort on the graph to check if there is a cycle (if there is, then it's not feasible to complete all courses).
If there is no cycle, then it is feasible to complete all courses.
Round duration - 60 minutes
Round difficulty - Medium
This round had only 1 question. The interviewer introduced himself. And he advised me to clearly understand the problem before proceeding.
You are given a binary tree of distinct integers, along with two nodes, ‘X’ and ‘Y’. Your task is to determine the Lowest Common Ancestor (LCA) of ‘X’ and ‘Y’.
The LC...
Find the Lowest Common Ancestor of two nodes in a binary tree.
Traverse the binary tree to find the paths from the root to nodes X and Y.
Compare the paths to find the last common node, which is the Lowest Common Ancestor.
Implement a recursive function to efficiently find the LCA.
Handle cases where one node is an ancestor of the other.
Consider edge cases like when X or Y is the root node.
Round duration - 60 minutes
Round difficulty - Medium
Pretty Good Round. Fast Paced. We covered a lot of ground.
Design and implement a class BSTIterator
to perform an in-order traversal over a Binary Search Tree (BST). Your implementation should include the following me...
Design and implement a class BSTIterator to perform in-order traversal over a Binary Search Tree (BST).
Implement a parameterized constructor to initialize the iterator with the root of the BST.
Implement a method 'next()' to return the next smallest element in in-order traversal.
Implement a method 'hasNext()' to check if there exists a next smallest element in traversal.
Ensure the output is the in-order traversal of the
Given a binary array 'ARR' of size 'N', your task is to determine the maximum length of a sequence consisting solely of 1’s that can be obtained by converting at...
Find the maximum length of a sequence of 1's by converting at most K zeroes into ones in a binary array.
Iterate through the array and keep track of the current window of 1's and zeroes.
Use a sliding window approach to find the maximum length of consecutive 1's by flipping at most K zeroes.
Update the window based on the number of zeroes flipped and keep track of the maximum length found so far.
Return the maximum length ...
You are given an undirected and disconnected graph G(V, E)
having V
vertices numbered from 0
to V-1
and E
edges. Your task is to print its BFS traversal starting from the 0t...
BFS traversal of an undirected and disconnected graph starting from vertex 0.
Start BFS traversal from vertex 0 and visit all connected nodes in sorted order.
Use a queue to keep track of nodes to visit next.
Keep a visited array to avoid revisiting nodes.
Print the BFS traversal path as the nodes are visited.
Example: For input V=5, E=4 and edges 0-1, 0-2, 1-3, 2-4, the BFS traversal will be [0, 1, 2, 3, 4].
Given an undirected graph with V
vertices (labeled 0, 1, ..., V-1) and E
edges, each edge connects two nodes X
and Y
with a specified weight representing the dis...
Dijkstra's algorithm is used to find the shortest path distance from a source node to all other nodes in an undirected graph.
Implement Dijkstra's algorithm to find the shortest path distance from node 0 to all other nodes in the graph.
Use a priority queue to efficiently select the next node with the shortest distance.
Initialize distances to all nodes as infinity, except for the source node which is 0.
Update distances t...
Round duration - 60 minutes
Round difficulty - Hard
Bar Raised Round. Definitely felt the difficulty.
You are given a string consisting of English alphabet characters. Your task is to identify and return the first character in the string that does not repeat...
Identify and return the first non-repeating character in a string, or the first character if all characters repeat.
Iterate through the string to count the frequency of each character
Iterate through the string again to find the first character with frequency 1
If no such character is found, return the first character of the string
Tip 1 : Practice at least 250 Questions, Give yourself enough time for preparation. Cramming won't take you very far. In books, I really liked Elements of Programming Interviews.
Tip 2 : Make sure to brush up your basics - coding style, OOPs, Language features. They help in making an impression.
Tip 3 : Don't worry about solving the question in the interview. Learn to tackle any random problem with the best of your ability. More often than not, that'd be enough.
Tip 1 : Keep your resume clean - no graphics, no multiple fonts. Keep it one page.
Tip 2 : Don't go over board in mentioning skills, only mention the things you are truly confident about.
based on 6 interviews
3 Interview rounds
based on 5 reviews
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